Chemistry Middle School

Please help!!!!!!!!! Which word goes here and means composed of one element??!!

Please Help!!!!!!!!! Which Word Goes Here And Means Composed Of One Element??!!

Answers

Answer 1

Answer:

Pure-Substance

Explanation:

Answer 2

Answer:

Pure-Substance

Explanation:

I'm just answering so you can give the other person Brainlyest.

Related Questions

Species acquire many of their unique characteristics through
A. Homologous structures
B. Homeostasis
C. Pangaea
D. Variation

Answers

Its A homologous structures

Describe what bacteria are - their parts, how they can be good, how they can be bad, and the different types.

Answers

HIIII, so.... In all there are two different types of Bacteria good bacteria and bad bacteria, the good bacteria helps fight off diseases and other sickness the bad bacteria can make you sick.

I hope that was enough to answer your question!!!

Have a good day and I hope you pass all of your exams!!!!! <3

Bacteria are living micro organism they Can be good or bad depending on the type an example for a good bacteria is the bacteria that lives in your stomach it helps you digest food and then example for bad bacteria is a virus that can get you very sick bacteria

pls help due tonight
or my dad will get mad at me

Answers

Answer:h

Explanation:

I need help please j

Answers

Reactants Hydrogen: 5
Products Hydrogen: 5

Reactants Carbon: 3
Products Carbon: 3

Reactants Oxygen: 4
Products Oxygen: 5

Create a time that marks important events during the Precambrian Supereon.

Answers

i really hope this help!!
Multiple Answers:

The earth started cooling and the outer edge of the planet solidified from molten lava to a solid crust. Water rained from the atmosphere and created oceans. The first form of life on our planet was created during the Archean eon in these oceans.

Please help. (science question)

Answers

Answer:water  erodes the earth by passing over rock and thinngs many times, as in a river, the water slowly washes away the rock turning it into sediment or silt.

Explanation:

Answer:Hope this helps :) if so pleas could you mark brainliest:) enjoy!

Explanation:

The cycle of water erosion has been here since forever thanks to the rain rivers, ponds lakes, the sea and the ocean because it first starts off with the rain then the rain fills up the lakes and pond and start rivers and the rivers lead to the sea and ocean and from there the water evaperates then it rains again and the lakes and ponds help with the evaporation.

PLEASE HELP MEEE I WILL MARK BRAINLIST FOR THIS ITS SUPER SIMPLE....
all I need you to do its to type out these pictures word for word it pretty simple

Answers

Answer:

Disease can reduce the size of a population quickly.

The amount of resources, such as food and water, limit how many pikas can survive.

The presence of predators limits how large the population can grow.

As the population grows, the pikas compete with each other for resources.

The amount and types of space avalible in an environment mean only a certain number of pikas can make homes.

Above is a list of organisms found in a forest ecosystem. Which of the following groups of organisms are considered decomposers?
A) grass, acorn, moss
B) snake, mushroom, moss
C) bacteria, mushroom, fungus
D) vulture, mushroom, fungus
PLEASE HELP!

Answers

Answer: C, bacteria, mushroom, and fungus

Explanation:

These are all classified decomposers located within a forest ecosystem.

it is c) bacteria, mushroom, fungus

PLEASE HELP MEEE I WILL MARK BRAINLIST FOR THIS ITS SUPER SIMPLE....
all I need you to do its to type out these pictures word for word it pretty simple

Answers

Almost no population actually reaches biotic potential instead it reaches its carrying capacity, carrying capacity is the largest number of individuals of one species that an ecosystem can support over time. Limiting factors determine the carrying capacity for an area. If there weren’t any limiting factors in an ecosystem, populations would keep growing. When they keep growing they eventually reach their biotic potential. Biotic potential is the potential growth that a population could grow in perfect conditions

I am a gas. I am in the noble gas family and row 1. I have only 2 valence electrons I glow red-orange when in an electric field. I can also be found in the sun. Who am I?

Answers

Answer:

the elements its helium

Explanation:

ithink its help

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Answers

The answer is probably tt

Well for parent 1 and parent 2 ( 1st parent of 2 ), parent 1 shows T so it forms Tt

Parent 1 and 2 ( 2nd parent of 2 ) ( parent 1 also has T and parent 2 has t ) so it forms Tt

Parent 1 ( 2nd parent of 1 ) and parent 2 has t and parent 1 is  normal which forms tt

So that leaves 2nd parent 1 and parent 2

tt i think is the correct if you get it wrong I’m sorry I’m trying my best

A science teacher is planning a science lab in which students will identify conditions that do and do not speed up the time required for sugar to dissolve in water. Which of the following conditions will NOT have an effect on the dissolving time?
PLEASE GIVE ME THE RIGHT ANSWER FAST!!!
B. Grinding the sugar
D. Magnetizing the sugar
E. Heating the water
F. stirring the water

Answers

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Answer:

Your answer is B. Grinding the sugar

Hope this helps! :)

Find the average kinetic energy of the molecules shown in the sample above. ( C and D are wrong )
a. 5
b. 4
c. 3
d. 36

Answers

Answer: B

Explanation:

Answer C and D are wrong , so there for the answer is B.4

someone help no links ty

Answers

Answer:

The force of gravity on an object is called weight

Explanation:

the answer is weight

PLEASE HELP MOI I GIVE BRAINIEST
Mars’ average temperature is -55o C, while Earth’s is 17o
C. Mars’ atmosphere is 95.3% carbon dioxide. Mars’ soil
contains no humus and is mostly Sulphur. One day on
Mars is approximately 24 hours and 37 minutes. In your
own words, explain whether or not you think life could
be supported on Mars. Be sure to use the terms, air,
water, soil, and sunlight, in your explanation.

Answers

Answer:

If you had alot of winter gear and flash lights due to there being alot of storms  on mars and having a glass dome filled with o2 and food then you could have a chance of surviving

Explanation:

What is the force called that is applied to an object and it's NOT opposite and/or equal?

Answers

i think the answer would be velocity.

Answer:

velocity

Explanation:

How can wind and water change the materials on earth's surface? (Specifically, rocks/the geophere) ​

Answers

When mechanical and chemical weathering breaks up materials on the Earth's surface, erosion can move them to new locations. For example, wind, water or ice can create a valley by removing material. ... When layers of eroded material pile up, it's called deposition. This can create new landforms.

1. What are characteristics and examples of bryophytes?

2. What are characteristics and examples of protists?

Answers

Answer:

characteristics of bryophytes:

1) the plant body is gametophyte

2) the plants are green and possess chloroplasts

3) he plant body lacks true roots,stem or leaves

4) vascular tissue are completely absent

examples: liverworts, the hornworts, mosses

characteristics of protists:

1) some are multicellular, most are unicellular

2) some are autotrophic, some are heterotrophic

3) they have a nuclear and membrane bound organelles

4) they can be parasites

examples: algae, amoeba, euglena

Explanation:

Explain the difference between mechanical weathering and chemical weathering​

Answers

Answer:

mechanical weathering breaks rocks into smaller forms without any change in their composition whereas chemical weathering breaks down rocks by forming new minerals .

or simply mechanical weathering is the physical breakdown of rocks while chemical weathering is the breakdown of rocks through chemical reactions .


This is the right answer it was a question on my test and i got it right

Jennifer observes a weather map showing tomorrow's weather. She predicts that air will travel from the low pressure system to the high pressure system, causing wind. The wind will carry moisture since it is coming from the ocean. Choose the statement which corrects the error(s) in Jennifer's prediction.


a weather map of Florida with an L to the left of Florida over the ocean and an H over the land


a The wind from the ocean will not carry moisture.

b The wind will travel from the high pressure system to the low pressure system.

c Since the low pressure system is not over land, wind will not be created.

d Wind is only created when two high pressure systems meet.

Answers

Answer:

b The wind will travel from the high pressure system to the low pressure system.

Explanation:

I think this is the answer not sure.

Answer:

B

Explanation:

I did the same Exam as you and got the answer right when I chose B

  Hope this helps you!

P.s have an amazing day! <3

The local newspaper has published the passage below.

Last week, scientists released incredible images of aurora australis, known as the northern lights, as seen from the Hubble telescope. The Hubble telescope was placed in orbit in 1990 by the space shuttle and has since delivered the sharpest images we have of our planet, our galaxy, and the universe. The images delivered last week show the beautiful display of lights in the southern hemisphere. These lights are the result of the solar activity known as solar wind. Traces of solar wind reach well beyond Earth and have been detected as far as Saturn.

Which statement in the news passage above is inaccurate?

The aurora australis cannot be seen from space.
The Hubble telescope does not orbit our planet.
The aurora australis is known as the northern lights.
Solar winds do not reach well beyond our planet.

Answers

Answer:

Solar winds do not reach well beyond our planet

Explanation:

I hope this helps :)

Solar winds do not reach well beyond our planet.because Traces of solar wind reach well beyond Earth and have been detected as far as Saturn. says that

On a summer's day, beach sand will feel, and be, much hotter than the adjacent water due to the sand's lower thermal conductivity.
true or false?
T-T

Answers

Answer:

true. good luck, you need it!

Explanation:

The answer to the question is true
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